can't clear oserrors

src/anyio/_core/_sockets.py

@@ -227,7 +227,7 @@ async def try_connect(remote_host: str, event: Event) -> None:
             )
             raise OSError("All connection attempts failed") from cause
     finally:
-        oserrors.clear()
+        oserrors = []
 
     if tls or tls_hostname or ssl_context:
         try: